[ExI] Can Some Very Tiny Particles Cool the Planet? One Tech Company Says Yes.

[John Clark]

On Sun, May 17, 2026 at 3:21 PM Ben Zaiboc via extropy-chat <
extropy-chat at lists.extropy.org> wrote:

On 17/05/2026 03:23,



>
> John Clark wrote:
>> > Can Some Very Tiny Particles Cool the Planet? One Tech Company Says Yes.
>> >
>> > Stardust Solutions says its tiny spheres can reflect the sun’s rays
>> without harming people or the environment. Critics say private companies
>> have no business altering Earth’s atmosphere.
>
>
>
> * > I haven't read the article (NYT site doesn't work for me),*


*That's weird. Triy it again:  *

*https://www.nytimes.com/2026/05/14/climate/stardust-solutions-geoengineering-cooling-earth.html?unlocked_article_code=1.iVA.djDr.uOfAGVb-_JH-&smid=em-share*
<https://www.nytimes.com/2026/05/14/climate/stardust-solutions-geoengineering-cooling-earth.html?unlocked_article_code=1.iVA.djDr.uOfAGVb-_JH-&smid=em-share>



>
> *> but the usual problem with this kind of thing is simply the scale.*



*The company claims it would cost about $10 billion and take several years
to put 10 million tons of biodegradable reflective particles into the
stratosphere, and that would cool the lower atmosphere by 1.5 degrees
Celsius. I think it's worth a try. *

*John K Clark*



>
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